AI agents call build_search_url to retrieve information from OLEXI Australian Laws MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Based on the tool name alone, this appears to build/construct a search URL, which is a read/query operation with no side effects. The sibling tools (list_databases, search_austlii, search_with_progress) are all read-oriented search tools, supporting the inference that this tool also belongs to the read category. Empty description lowers confidence.
From the tool's definition Tool name 'build_search_url' suggests constructing a URL for searching; description is empty and uninformative.
Documented attack patterns abuse exactly the kind of access build_search_url gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and OLEXI Australian Laws MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for build_search_url:
{
"version": "1",
"default": "deny",
"tools": {
"build_search_url": {}
}
}build_search_url is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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build_search_url. It is categorised as a Read tool in the OLEXI Australian Laws MCP Server MCP Server, which means it retrieves data without modifying state.
Register the OLEXI Australian Laws MCP Server MCP server in PolicyLayer and add a rule for build_search_url: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches OLEXI Australian Laws MCP Server. Nothing to install.
build_search_url is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the build_search_url rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for build_search_url. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
build_search_url is provided by the OLEXI Australian Laws MCP Server MCP server (konashevich/olexi-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from OLEXI Australian Laws MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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4 OLEXI Australian Laws MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.